164295278692 has 24 divisors (see below), whose sum is σ = 287948457720. Its totient is φ = 82024350720.

The previous prime is 164295278677. The next prime is 164295278779. The reversal of 164295278692 is 296872592461.

It can be written as a sum of positive squares in 4 ways, for example, as 10486988836 + 153808289856 = 102406^2 + 392184^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 164295278692.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22028628 + ... + 22036084.

It is an arithmetic number, because the mean of its divisors is an integer number (11997852405).

Almost surely, 2^164295278692 is an apocalyptic number.

It is an amenable number.

164295278692 is a deficient number, since it is larger than the sum of its proper divisors (123653179028).

164295278692 is a wasteful number, since it uses less digits than its factorization.

164295278692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14991 (or 14989 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 61.

The spelling of 164295278692 in words is "one hundred sixty-four billion, two hundred ninety-five million, two hundred seventy-eight thousand, six hundred ninety-two".